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期末诊断将近,我们搜集了四年级英语现在进行时讲解,帮助孩子突破重点难点,争取在期末诊断中获得助力能力。
知识点
一.定义:表示现在或现阶段正在进行或发生的动作或存在的状态。
二.构成:由be(am/is/are)+动词-ing形式构成
三.标志性词语:现在进行时.通常用now,look,listen等词。
四.动词现在分词的构成规则
1 一般情况下直接加ing (直)
think--- thinking
sleep---sleeping
study---studying
speak--- speaking
say--- saying
carry---carrying
2 以不发音的字母e结尾的单词,去掉字母e,再加ing (去)
come---coming
make---making
leave---leaving
have---having
take---taking
wake---waking
take---taking
3 以重读闭音节(重读闭音节即两个辅音中间夹一个元音并且重读的音节)结尾,呈现 “辅,元,辅”结构的动词,双写末尾的辅音字母,再加ing (双)
stop---stopping
get---getting
sit---sitting
put---putting
sit---sitting
run---running
shop------shopping
swim------swimming
五、现在进行时的用法
(1)用来表示说话时正在进行或者发生的动作,
(2)用来表示现阶段正在进行的动作(但说话时不一定在进行)
六、现在进行时的句型变化
1、 肯定式结构:主语+be+动词-ing形式+其他.
例如:We are running now.
2、否定式结构:主语+be+not+动词-ing形式+其他.
例如:They aren’t doing their homework.
3、一般疑问句式结构:Be+主语+动词-ing形式+其他?
例如:Is she having English lesson?
回答:肯定Yes, she is. 否定:No,she isn’t.
4、特殊疑问句式结构:疑问词+be+主语+其他?
例如:What is he doing now?
回答:He is swimming.
练题目
一.选择题
1.Who _____ over there now?
A.singing B. are sing
C. is singing D. sing
2. It’s eight o’clock. The students _____ an English class.
A.have B. having
C. is having D. are having
3. Listen! The baby _____ in the next room.
A.crying B. cried
C. is crying D. cries
4. Look! The twins _____ new sweaters.
A.are wearing B. wearing
C. are wear D. is wearing
5. Don’t talk here. Grandparents _____.
A.is sleeping B. are sleeping
C. sleeping D.sleep
二.用现在进行时完成下列句子
1.What _________ you __________ (do)?
2.I _____________ (sing) an English song.
3.What ________ he ____________ (mend)?
4. He ______________ (mend) a car.
5.______ you __________ (fly) a kite? Yes, _____________.
6.______ she ___________ (sit) in the boat?
7.______ you _____________ (ask) questions?
8.We _______________ (play) games now.
9.What are you _________(do) now? I ___________(eat) bread.
10.It’s nine o’clock. My father_______________(work) in the office.